The modern measurement technology market is continuously evolving, and today an increasing number of professionals are choosing compact, powerful, and mobile tools for conducting precise analyses in field conditions. In this article, we explore innovative solutions for radio engineers and signal analysis experts – the Harogic PX series portable spectrum analyzers and the SIGLENT SHA850A series.

 

Harogic PX Series Real‑Time Analyzers – Ultra‑Portability and High Performance

Portable Real‑Time Spectrum Analyzer PXE‑200

Портативний аналіхатор спектру в реальному часі PXE-200

The Harogic PX devices are designed with an emphasis on compactness and mobility, making them ideal for field measurements. Key features of the PX series include:

  • Compact Design and Portability:
    With a weight of up to 1.5 kg and the ability to operate for up to 3 hours on the built‑in battery, these devices offer exceptional convenience in field conditions.

  • Touchscreen Display:
    An intuitive interface allows for quick data retrieval and easy adjustment of measurement settings.

  • Wide Frequency Range:
    Models cover frequencies from 9 kHz to 40 GHz, making them versatile for a variety of tasks.

  • Real‑Time Measurements:
    An integrated real‑time analysis bandwidth (up to 100 MHz) and a high scanning speed (up to 900 GHz/s) enable prompt tracking of dynamic signals.

  • Operating Modes:
    The PX series supports multiple modes:

    • SWP – Standard spectral analysis.
    • IQS – IQ data streaming.
    • DET – Power detection analysis (zero span).
    • RTA – Real‑time analysis.

  • Versatility of Applications:
    These instruments are suitable for spectral monitoring, phase noise measurements, zero span analysis, OBW determination, as well as analog and digital demodulation.

A special mention goes to the PXE‑200 model – an ultra‑portable analyzer that, thanks to the SwaP (Size, Weight, and Power) principle, weighs only 1.3 kg and provides over 3 hours of autonomous operation. This device is optimized for operation up to 20 GHz, features a 100 MHz real‑time analysis bandwidth, and achieves a scanning speed of 900 GHz/s. The PXE‑200 can display the spectrum, IQ data, and high‑frequency power, making it an indispensable tool for field radio engineers.

Below is a table summarizing the main specifications of the Harogic PX series models:

Model Frequency Range Phase Noise (typ.) Real‑Time Analysis Bandwidth 1 GHz DANL Scanning Speed
PXN‑60 9 kHz – 6.3 GHz –114 dBc/Hz 25 MHz –166.6 dBm/Hz 100 GHz/s (RBW ≥ 250 kHz)
PXE‑90 9 kHz – 9.5 GHz –100 dBc/Hz 100 MHz –166.9 dBm/Hz 800 GHz/s (RBW ≥ 300 kHz)
PXE‑200 9 kHz – 20 GHz –100 dBc/Hz 100 MHz –166.9 dBm/Hz 900 GHz/s (RBW ≥ 300 kHz)
PXN‑400 9 kHz – 40 GHz –99 dBc/Hz 100 MHz –143 dBm/Hz 500 GHz/s (RBW ≥ 300 kHz)

Additional information can be found in the Quick Start Guide.

 

Multifunctional Siglent SHA850A Series – A Versatile Tool for Field Applications

SHA850A Series Handheld Spectrum / Vector Network Analyzer

SHA850A Series Handheld Spectrum / Vector Network Analyzer

The SIGLENT SHA850A series comprises innovative portable spectrum analyzers that combine the functions of a spectrum analyzer with those of a cable and antenna analyzer, making the SHA850A a powerful and flexible instrument for both field and outdoor measurements.

Key Features and Specifications of the SHA850A Series

Spectrum Analysis Mode:

Thanks to the built‑in preamplifier, independent signal source, and high scanning speed, these devices deliver reliable automatic measurements. This enables tasks such as air monitoring, channel power scanning, detection of wireless interference, power monitoring, and electromagnetic compatibility measurements.

  • Frequency Range:
    Operates from 9 kHz to 3.6 GHz for the SHA851A model and up to 7.5 GHz for the SHA852A model.

  • Resolution Bandwidth (RBW):
    From 1 Hz to 3 MHz (in a 1‑3‑10 sequence).

  • Phase Noise:
    –104 dBc/Hz (typical) at 1 GHz with a 10 kHz offset.

  • Amplitude Accuracy:
    ±0.7 dB.

  • Display Average Noise Level (DANL):
    –165 dBm/Hz.

Cable and Antenna Test Mode:

  • Frequency Range:
    From 100 kHz to 7.5 GHz.

  • The device supports measurements of parameters such as TDR (Time Domain Reflectometry), VSWR (Voltage Standing Wave Ratio), port matching, insertion loss, tower amplifier tuning, cable fault detection, and Smith chart plotting.

  • An integrated DC power supply adds further testing functionality.

Optional Modes:

  • Vector Network Analyzer (VNA):
    Available optionally with a frequency range from 100 kHz to 7.5 GHz and an output voltage of up to 32VDC.

  • Modulation Analysis (Analog and Digital):
    Offered as an optional feature.

  • Advanced Measurement Capabilities:
    Include a “Waterfall Chart” module and a GPS receiver with coordinate logging for geotagged measurements.

Technical Specifications of Models SHA851A and SHA852A

Parameter SHA851A SHA852A
Frequency Range 9 kHz ~ 3.6 GHz 9 kHz ~ 7.5 GHz
Resolution Bandwidth (RBW) 1 Hz ~ 3 MHz (1‑3‑10 sequence) 1 Hz ~ 3 MHz (1‑3‑10 sequence)
Phase Noise –104 dBc/Hz –104 dBc/Hz
Overall Amplitude Accuracy ±0.7 dB ±0.7 dB
DANL –165 dBm/Hz –165 dBm/Hz

Key Features and Advantages of the SHA850A Series

  • Multifunctionality:

    • Spectrum Analyzer:
      Frequency range from 9 kHz to 3.6 GHz or 7.5 GHz, depending on the model.
    • Cable and Antenna Analyzer:
      Operates from 100 kHz to 7.5 GHz with capabilities for fault distance and time‑domain analysis.
    • Optional Vector Analyzer:
      Frequency range from 100 kHz to 7.5 GHz with an output voltage of up to 32VDC.
    • Low DANL:
      –165 dBm/Hz ensures detection of even the smallest signals.
    • High Speed and Accuracy:
      Achieved via the built‑in wideband source and standard preamplifier.

  • Ideal for Field Conditions:

    • Portability:
      Weighing 3.2 kg (net) and featuring an 8.4‑inch multi‑touch screen, the device supports both touchscreen control and operation via physical buttons and a knob.
    • Battery Operation:
      Typical battery life is up to 4 hours.
    • Ease of Transport:
      Supplied with a standard bag and strap, it can be used both handheld and shoulder‑mounted.
    • GPS and Directional Antennas (Optional):
      Enable geotagged measurements, particularly valuable for field applications.

  • All‑in‑One Functionality:
    The combination of a spectrum analyzer and a cable/antenna tester in one device eliminates the need for multiple tools during field work. Optional vector analyzer and modulation analysis functions further expand its capabilities.

  • Accessories:
    Siglent offers a wide range of accessories for various measurements, including GPS antennas, directional antennas, calibration kits, and a variety of RF cables and connectors, greatly facilitating the work of RF engineers and specialists.

Summary

If you require a portable spectrum analyzer for field work, the solutions from Harogic and Siglent deliver high‑precision measurements, rapid data processing, and versatile applications.

  • The Harogic PX series provides real‑time measurements with a wide frequency range and operating modes suited for both laboratory and field applications.
  • The SIGLENT SHA850A series features multifunctional instruments that combine a spectrum analyzer with a cable and antenna tester, along with optional vector analyzer and modulation analysis modes. Thanks to its advanced specifications, ergonomic design, and support for a variety of accessories, the SHA850A is an indispensable tool for modern RF engineers.

Choose modern solutions for measurements and signal analysis to simplify your field work with Harogic and Siglent!

Purchase Information:
Portable spectrum analyzers from the Kyiv warehouse are available at the SEA Test & Measurement online store, or you can order directly from the manufacturer’s warehouse through the official distributor of Harogic and Siglent in Ukraine – TOV “SEA Electronics Ukraine”:
Tel.: (044) 330‑00‑88;
Email: tmm@sea.com.ua.